Single Stage Multi Position Furnace
Service Manual
52
440 08 2001 02
Manufacturers Number (Mfr No --
See Rating Plate
)
ALL Models
Specifications
General
Gas Type
Nat
LP
Transformer Size (VA)
T’stat Heat Anticipator
40
.10
40
.10
Gas & Ignition
Gas Valve
Regulation Type
Manifold Press. (Inch’s WC)
HW SV9541M
SNAP
3.5
HW SV9541M
SNAP
10.0
Pilot Orifice Size
.018
.011
Ignition Type/Series
HW HSP
HW HSP
Fan Controls
Fan Control (Type)
Fan Control
On
(Timed--secs)
Off
HW ST9160
30
60,100,140,180
HW ST9160
30
60,100,140,180
Gas Conversion Kits All Models
Nat to LP
NAHF002LP *1009509
LP to Nat
NAHF002NG *1009510
*Order from Service Parts
Specifications
*9MP1050B12A1
*9MP2050B12A1
*9MP1075B12A1
*9MP2075B12A1
*9MP1100F14A1
*9MP2100F14A1
*9MP1100J20A1
*9MP2100J20A1
*9MP1125J20A1
*9MP2125J20A1
General
Input (Btuh)
Output (Btuh)
Temp. Rise (
°
F)
50,000
45,500
35--65
75,000
68,000
40--70
100,000
91,000
40--70
100,000
96,500
40--70
125,000
113,750
40--70
Electrical (Volts/Hz/FLA)
115/60/9.8
115/60/8.9
115/60/9.0
115/60/10.5
115/60/11.2
Gas & Ignition
Gas Type
Std. Main Orifices (No/Size)
Nat.
2/42
L.P.
2/54
Nat.
3/42
L.P.
3/54
Nat.
4/42
L.P.
4/54
Nat.
4/42
L.P.
4/54
Nat.
5/42
L.P.
5/54
Combustion
Flue Outlet Size (Inches)
Std. Outlet Temp (
°
F)
2
<140
2
<140
3
<140
3
<140
3
<140
@ Blower
/
@ Transition Box
Std. Pressures (
²
of WC)
5
¢
No Elbows
40
¢
+5--90
°
DWV Elbows
--1.80
/
--2.60
--1.30
/
--2.30
--1.80
/
--2.60
--1.30
/
--2.30
--1.80
/
--2.60
--1.70
/
--2.50
--1.80
/
--2.60
--1.70
/
--2.50
--1.80
/
--2.60
--1.70
/
--2.50
Limits & Controls
Rollout Switch (
°
F)
Limit Control Setting (
°
F)
300
240
300
210
300
230
300
220
300
190
Std. Transition Pressure Sw. (Part No)
Blower Switch Pressure (Close)
Blower Switch Pressure (Open)
Transition Switch Pressure (Close)
Transition Switch Pressure (Open)
1013518
0.95
0.80
2.00
1.80
1013518
0.95
0.80
2.00
1.80
1013518
0.95
0.80
2.00
1.80
1013518
0.95
0.80
2.00
1.80
1013166
1.30
1.10
1.80
1.60
High Altitude Pressure Sw. (Part No)
Blower Switch Pressure (Close)
Blower Switch Pressure (Open)
Transition Switch Pressure (Close)
Transition Switch Pressure (Open)
1013165
0.70
0.55
1.40
1.20
1013165
0.70
0.55
1.40
1.20
1013165
0.70
0.55
1.40
1.20
1013165
0.70
0.55
1.40
1.20
1013157
0.85
0.70
1.70
1.50
Blower Data
Type & Size
Motor Amps/Rpm
Motor Type/H.p.
Cap. Mfd/Volts
Filter Type
Cool Cap. (Tons) @ .5
²
W.C. L, ML, MHi & Hi
11--8
10/850
PSC/
1
/
2
7.5/370
16x25x1
1
1
/
2
,2,2
1
/
2
,3
11--8
8.0/1050
PSC/
1
/
2
7.5/370
16x25x1
1
1
/
2
,2,2
1
/
2
,3
11--10
10/1050
PSC/
1
/
2
10/370
16x25x1
1
1
/
2
,2,3,3
1
/
2
11--10
13/900
PSC/
3
/
4
40/370
16x25x1
3
1
/
2
,4,4
1
/
2
,5
11--10
13/900
PSC/
3
/
4
40/370
16x25x1
3
1
/
2
,4,4
1
/
2
,5
